In control structures
learned about various methods to iterate over a collection like unless,
loop and the most commonly used eachmethod.
Ruby, however, provides an Enumerable module which packages a bunch of
methods which can be used with any other class by including it (referred to as
mixing in). That means that programmers don't have to write all those methods
many different times for different objects. As long as the custom object
defines an each method and includes Enumerable module, it can get access
to all of its magic.
In this challenge, you have been provided with a custom object called colors that
defines its own each method. You need to iterate over the items and return
an Array containing the values.